Robust optimum design of a bearingless rotation motor using the Kriging model

Seo, Sungill; Lee, Moon Kyu; Kim, Sang-Jo; Kim, Naksoo

doi:10.1007/s12541-011-0139-z

Cited by 20 publications

(4 citation statements)

References 18 publications

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“…The Kriging option was used as the interpolation method, because according to SEO (2011), using this technique is possible to predict the special values in the region of interest through the weighting linear function that is measured from the nearby known values. Table 2 show the physicochemical characteristics of the TSE and the MWS, used for irrigation and analyzed based on the standard method APHA (2012).…”

Section: Methodsmentioning

confidence: 99%

Wet bulbs from the subsurface drip irrigation with water supply and treated sewage effluent

et al. 2015

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ABSTRACT:The use of treated sewage effluent (TSE) combined with the subsurface drip irrigation (SDI) method in agriculture can decrease the costs of agricultural production, in attempts to fertigate crops more efficiently. In this study it was compared the dimensions of the wet bulb formed by the application of TSE and municipal water supply (MWS) in an Oxisoil. We have evaluated the effect of water quality and discharge between drippers used in sugarcane crop. Three trenches were opened and 21 three-rod TDR probes were setup in a mesh and a dripper was buried at 0.30 m, for each constant discharge of 1.0 L h -1 and 1.6 L h -1 . Comparing results from different wetted soil profiles it was observed that the vertical and horizontal dimensions of the wet bulb are similar for both MWS and TSE, being peculiars according to the discharges used and volume applied. Regardless the water quality, an increase of 60% in discharge decreased the deepest infiltration.KEYWORDS: oxisoil, wastewater; TDR; water content; electrical conductivity. BULBOS ÚMIDOS A PARTIR DA IRRIGAÇÃO POR GOTEJAMENTO SUBSUPERFICIAL COM ÁGUA DE ABASTECIMENTO E EFLUENTE DE ESGOTO TRATADORESUMO: O uso de efluente de esgoto tratado (EET), combinado com o método de irrigação por gotejamento subsuperfical (IGS) na agricultura, pode reduzir os custos de produção agrícola, fertirrigando de maneira eficiente as culturas. Neste artigo, compararam-se as dimensões do bulbo úmido formado pela aplicação de EET e água de abastecimento municipal (AAM), em um Latossolo Vermelho distroférrico. Avaliou-se o efeito da qualidade da água e da vazão entre gotejadores utilizados na cultura da cana-de-açúcar. Três trincheiras foram abertas e 21 sondas de TDR com três hastes foram instaladas em malha, e um gotejador foi enterrado a 0,30 m, para cada vazão constante de 1,0 Lh -1 e 1,6 Lh -1 . Comparando os resultados de diferentes perfis de umidade do solo, sugere-se que as dimensões vertical e horizontal do bulbo úmido sejam similares para a AAM e para o EET, sendo peculiares de acordo com as vazões utilizadas e o volume aplicado. Independentemente da qualidade da água, o aumento de 60% na vazão reduziu a infiltração em profundidade.

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Section: Methodsmentioning

confidence: 99%

Wet bulbs from the subsurface drip irrigation with water supply and treated sewage effluent

et al. 2015

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“…In literature, the Taguchi method has been applied to various types of electrical machines such as brushless DC PM motors [8,9,11,[13][14][15][16][17][18][19][20], PM Synchronous Machines (PMSM) [10,12,, line-start PMSM [62][63][64][65][66], induction machine (IM) [67][68][69][70][71], Reluctance Synchronous Machines (RSM) or Switch Reluctance Machines (SRM) [72][73][74][75][76][77][78][79][80][81], axial flux PMSM [82,83], linear or tubular type machines [84][85][86][87][88], piezoelectric motor [89], active magnetic bearing [90], Halbach array PM machine [91], and superconducting wind generator [92].…”

Section: Scope Of Taguchi Methods In Electrical Machine Designmentioning

confidence: 99%

Taguchi Method in Electrical Machine Design

Sorgdrager¹,

Grobler²,

Wang³

2017

SAIEE Afr. Res. J.

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There has been a considerable amount of research work on using the Taguchi method for electrical machine design in recent years. However, for the large community of electrical machine designers, this method is still less known. The purpose of this paper is to summarise the past and current research work of applying the Taguchi method in electrical machine designs. We attempt to give readers some insight into the advantages and disadvantages, challenges, current status and future perspective of the method.

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“…Traditional optimization undergoes a process in which a regression model such as a response surface model (RSM) is set up by observing the responses according to design variables, and optimization techniques are used to predict the optimal values [25]. However, this study proposes a new optimization technique using machine-learning concepts including clustering and pattern recognition, in addition to the traditional optimization technique, as shown in Figure 2.…”

Section: Data Structurementioning

confidence: 99%

Roof-Crush Protection Design of Automotive Bodies Using Clustering and Pattern Recognition

et al. 2019

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Computer-aided engineering (CAE) tools play an indispensable role in the vehicle development process. However, it is difficult to accurately predict the relationships and behavior of automotive bodies in vehicle crashes owing to high-order nonlinearity and numerous design variables of the automotive body structure. In this study, clustering and pattern recognition techniques were used to develop a novel optimization design of an automotive body considering roof crushing by vehicle rollover. The large-scale data were clustered to find the strong and weak clusters, and new response surface models were acquired by clustering analysis to achieve better performance than the response surface model of traditional optimization. For an efficient robust design, clusters with weak performance were excluded from the optimum solution. Finally, it was confirmed that the solutions by the proposed optimization technique were better than those obtained by the traditional optimum method based on a comparative analysis by various cluster combinations.

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Robust optimum design of a bearingless rotation motor using the Kriging model

Cited by 20 publications

References 18 publications

Wet bulbs from the subsurface drip irrigation with water supply and treated sewage effluent

Wet bulbs from the subsurface drip irrigation with water supply and treated sewage effluent

Taguchi Method in Electrical Machine Design

Roof-Crush Protection Design of Automotive Bodies Using Clustering and Pattern Recognition

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